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Northern Gritstone — Portfolio

Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.

54
Companies
$861.3M
Total invested
$19.6M
Avg. check
43
Industries
Software 5Health Care 5Artificial Intelligence (AI) 4Information Technology 3Manufacturing 3Biotechnology 3+37 more
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Portfolio companies

Showing 1–24 of 54
Mimetrik
August 2023

Mimetrik is a developing solution to real-world healthcare problems that are now unsolved or inadequately addressed.

Business Development · Leeds$2.5M Seed
PhovIR Technologies
August 2025

PhovIR Technologies is a deep-tech firm that specializes in miniaturized near-infrared (NIR) material analytics.

Embedded Software · Manchester$5.4M Seed
Pixel-Flo
July 2026

Pixel-Flo develops fluidic self-assembly for microLED mass transfer

Computer · Sheffield$7.0M Seed
AssetCool
July 2025

AssetCool produces photonic coatings and materials that enhance the functionality of electrical networks.

Chemical Engineering · London$13.7M Series A
Opteran
June 2022

Opteran reverse-engineers biological brains to create neuromorphic software for machines.

Artificial Intelligence (AI) · Sheffield$12.3M Seed
Literal Labs
June 2025

Developers of logic-based AI model training tools whose algorithms utilise propositional logic, Tsetlin Machine, and data binsarisation.

Application Specific Integrated Circuit (ASIC) · Newcastle Upon Tyne$6.2M Pre-Seed
Silveray
June 2026

Silveray develop affordable large-area direct conversion detectors for the X-ray imaging market.

Health Care · Stockport$6.6M Series A
Apini Therapeutics
June 2025

Apini Therapeutics is a creating novel small chemical two most prevalent types of inflammatory bowel disease.

Huntingdon$2.4M Seed
Floreon
May 2024

The World’s most versatile bioplastic. 4 times tougher than standard PLA.

Agriculture · Hull$318K Undisclosed
Imperagen
May 2026

Imperagen is a biotechnology research company focused on enzyme engineering, artificial intelligence, and synthetic biology.

Artificial Intelligence (AI) · Manchester$6.7M Seed
LC AuxeTec
April 2023

LC AuxeTec is a materials company based on synthetic auxetic materials that enables resistance to high impact applications.

Advanced Materials · Leeds$2.5M Seed
Cytotrait
March 2026

Cytotrait (previously Plant Organelle Technologies) focuses on the development of novel traits for food and agriculture.

Manchester$4.0M Seed
AmpliSi
March 2026

AmpliSi focuses on sustainable porous silicon anodes for lithium-ion batteries.

Battery · Sheffield$2.7M Pre-Seed
Adsilico
February 2024

Adsilico redefines medical device innovation.

Health Care · Leeds$4.4M Seed
Re:course
February 2023

Re:course develops an AI-based platform for clinical and life sciences patient communication assistance and healthcare education.

Artificial Intelligence (AI) · Manchester$4.3M Seed
Sitehop
October 2025

Sitehop develops cutting-edge networking and cyber-security solutions.

Cyber Security · Sheffield$10.0M Series A
Phlux Technology
March 2025

Phlux is a photonics company developing innovative light detector and imaging systems.

Electronics · Sheffield$11.6M Series A
Partful
December 2024

Partful allows to present the products and parts in spectacular 3D, allowing the consumers to identify the proper parts and order them.

Information Services · Manchester$6.4M Series A
MicroLub
October 2024

MicroLub produces a fat replacement for lower-calorie plant-based diets.

Food and Beverage · Leeds$4.5M Seed
Cavero Quantum
June 2024

Cavero Quantumcreated the world's most secure software-based cryptographic keys.

Security · Leeds$2.8M Seed
Phagenesis
March 2024

Phagenesis is engaged in the development of a device to treat dysphagia, a condition that disables the safe swallowing of food.

Biotechnology · Manchester$42.0M Series D
Pencil Biosciences
September 2023

Pencil Biosciences is a novel gene modulation company.

Biotechnology · Alderley Park$6.8M Seed
C-Capture
September 2023

C-Capture develops a solvent-based technology that offers a safe, low-cost way to remove carbon dioxide from emissions.

Chemical · Leeds$12.4M Venture - Series Unknown
Slingshot Simulations
January 2023

Slingshot Simulations a provider of cutting-edge technologies and services.

Geospatial · Leeds$3.7M Series A

Where Northern Gritstone invests

Software5
Health Care5
Artificial Intelligence (AI)4
Information Technology3
Manufacturing3
Biotechnology3

About Northern Gritstone's portfolio

How many companies has Northern Gritstone invested in?▸

Northern Gritstone has invested in 54 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does Northern Gritstone invest in?▸

Northern Gritstone's top investment sectors include Software, Health Care, Artificial Intelligence (AI), Information Technology, Manufacturing. The firm invests across 43 different industry categories.

What is Northern Gritstone's largest investment?▸

Among tracked funding rounds, Phagenesis received $42.0M in a Series D round. Northern Gritstone's total known invested capital is $861.3M.

What is the average investment size for Northern Gritstone?▸

Northern Gritstone's average investment size is $19.6M across its portfolio of 54 companies.

What are Northern Gritstone's most recent investments?▸

Recent Northern Gritstone portfolio additions include Mimetrik, PhovIR Technologies, Pixel-Flo, AssetCool, Opteran. These companies were founded in 2020 or later.

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